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Math / Algebra and Trigonometry 9 / Chapter 9.1 / Problem 30

Algebra and Trigonometry | 9th Edition | ISBN: 9780321716569 | Authors: Michael Sullivan

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Parallax See 29. The star 61 Cygni, sometimes called

Chapter 9, Problem 30

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QUESTION:

See Problem 29. The star 61 Cygni, sometimes called Bessel’s Star (after Friedrich Bessel, who measured the distance from Earth to the star in 1838), is a star in the constellation Cygnus.

(a) If 61 Cygni is 11.14 light-years from Earth and 1 light year is about 5.9 trillion miles, how many miles is 61 Cygni from Earth?

(b) The mean distance from Earth to the Sun is 93,000,000 miles.What is the parallax of 61 Cygni?

Questions & Answers

QUESTION:

See Problem 29. The star 61 Cygni, sometimes called Bessel’s Star (after Friedrich Bessel, who measured the distance from Earth to the star in 1838), is a star in the constellation Cygnus.

(a) If 61 Cygni is 11.14 light-years from Earth and 1 light year is about 5.9 trillion miles, how many miles is 61 Cygni from Earth?

(b) The mean distance from Earth to the Sun is 93,000,000 miles.What is the parallax of 61 Cygni?

ANSWER:

Step 1 of 4

Here, we have given the following figure, showing the position of the earth with respect to the sun at two different times and the location of star 61 Cygni in reference to the sun.

Step 2 of 4

Step 3 of 4

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